Explore religious figures shaping global events in 2025. From influential leaders to rising voices, this four-part series ...

Pope John XXIII, seeking to open a conversation that would permit Russian Orthodox observers to attend ... more than four centuries old, and the current points of tension in relations between ...

A majority of Russian Orthodox churches worldwide use the Julian calendar, which celebrates Christmas on Jan. 7, instead of using the Gregorian calendar proposed by Pope Gregory XIII in 1582.

Aug. 25 (UPI) --Pope Francis on Sunday condemned the Ukraine government's ban of the Russian-linked Orthodox Church.

The newspaper said the initiative was included in the Vatican’s protocols and would be discussed with the Russian Orthodox Church. "The fact that different countries throughout the world offer ...

By the 16th century, this discrepancy had become significant enough for Pope Gregory XIII to implement ... In the liturgical books of the Russian Orthodox Church, for example, Christmas is still ...